Allay Allay - 下一代的MCBE服务端软件 0.9.1 (API 0.17.0)

fix: fix error message

refactor: introduce global AIR_STACK instance

fix: set lit to true if burn time is not zero

feat: implement entity xp orb & xp system

feat: add SpawnPointChangeEvent

feat: add GameRuleChangeEvent

feat: add basic EntityXpOrb class

feat: add FurnaceConsumeFuelEvent and FurnaceSmeltEvent

refactor: some method renaming

refactor: introduce Server.createConfigInitializer()